{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["manufacturing process", "manufacturing standard", "enabling technology", "application", "process parameter", "machine or equipment"], "input": "This research compared twenty-one AM service providers worldwide and found that the main cost drivers for this scenario are total volume of the order , packing density in the build envelope and the number of parts ordered ."}
{"manufacturing process": ["AM"], "manufacturing standard": [], "enabling technology": [], "application": [], "process parameter": ["build envelope"], "machine or equipment": []}